MENTAL ABILITY. x (A) 14 (B) 27 (C) 19 (D) 40

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1 7 SAMPLE PAPER

2 MENTAL ABILITY 1. The length of a room is cm. Which is equivalent to this length? (A) cm (B) cm (C) cm (D) cm. Soha has x pencils. Tina has 3 more than twice the number of pencils that Soha has. Which expression shows the number of pencils that Tina has? (A) x + 3 (B) 3x (C) x 3 (D) 3x + 3. The value of the given expression (A) 4 (B) = (C) 1 (D) 1 4. If x = 4 and y = 3, then x 16 y y xy + = x (A) 14 (B) 7 (C) 19 (D) The ratio of the number of girls to the number of boys in a class is 3 :. There are 18 girls in the class. How many boys are in the class? (A) 3 (B) 1 (C) 3 (D) 6. There are 900 members in a club. 60% of them are men. After more women join the club, the percentage of men becomes 40%. How many members are men? (A) 540 (B) 450 (C) 560 (D) Which correctly describes the rule between x and y as shown in the table? (A) y = 6x 1 (B) y = x 1 x y (C) y = x + 1 (D) y = x Which streets on this map appear to never intersect? (A) Y and X Y Z X (B) L and M M L (C) X and Z (D) Z and L 9. Look at the given table. It shows the temperature outside at 3 different times on one day. Which list shows the temperatures in order from coldest to warmest? (A) 0 F < 7 F < 1 F (B) 1 F < 0 F < 7 F (C) 7 F < 0 F < 1 F (D) 7 F < 1 F < 0 F Temperatures Time of Day 6:00 A.M. 4 : 00 P.M. 10:00 P.M. O utside Temperature ( F) Which figure does not appear to contain two or more congruent shapes? 13 th NSO Level I Class 7

3 11. Mr. Vikrant buys a subscription to a magazine. He pays ` for one year. He receives one magazine each month. What does he pay for each magazine? (A) ` 40.5 (B) ` 40.8 (C) ` (D) ` The value of ( 5) + ( 4) ( 4) ( 5) + ( 5) + ( 4) ( 5) + ( 4) is (A) 4 (B) 5 (C) 0 (D) Look at the given diagram. What is the measure of the angle that is complementary to CBD? (A) 90 (B) 70 C 0 D (C) 0 (D) 80 B E 14. An ice skating rink charges a special rate on Wednesday nights. The special rate includes a fixed charge of ` 10 to rent skates plus ` per hour to skate. Find the cost that Mohit has to pay for skating 6 hours? (A) ` (B) ` 6 (C) ` 1 (D) ` Which of the following could be placed on the right side of the Figure scale to make it balanced? Cookies Cookies Cookies Cookies? (A) (B) (C) (D) Figure 1 Figure SCIENCE 16. The diagram shows a boiling tube filled with water. There is an ice cube wrapped with wire gauze at the bottom of the tube, and the water at the top of the tube is heated as shown. When water at the top of the tube is boiling, the ice cube remains frozen. What can you infer from this experiment? (A) Heat gain causes matter to expand Ice cube with wire gauze Water Boiling point Bunsen burner (B) Heat loss causes matter to contract (C) Ice cubes melt at 0 C (D) Water is a poor conductor of heat 17. Observe the 3 D shapes and relative sizes of the two objects as shown. What will the shadow look like when the ring and object Z are placed between the light source and the screen as illustrated? Screen Ring Object Z Light source Object Z Ring 3 13 th NSO Level I Class 7

4 18. The distance time graph of a truck is shown. What was the average speed of the truck over the distance shown? (A) 16 m/s (B) m/s (C) m/s (D) 0 m/s 19. The heating effect of current is not used in. Distance (m) Time (s) 6 (A) Hair dryer (B) Iron (C) Light bulb (D) Fan 0. Among the electromagnets shown below, which one is the strongest? 1. A fuse is connected to the wire in the electric circuit of household. (A) Earth (B) Neutral (C) Live (D) Thin. Which parts of the horse shoe magnet have the strongest pull on some pins? P (A) P and Q only (C) P, Q and R only (B) R and S only (D) P, Q and S only Q R S 3. The average speed of a motorist on a journey is the. (A) Total distance travelled divided by the total time (B) Average of the fastest and slowest speeds (C) Average of his initial and final speeds (D) Total time divided by the total distance travelled 4. Which one of the following places is unlikely to be affected by cyclone? (A) Chennai (B) Mangalore (C) Jaipur (D) Mumbai 5. Mark the option which correctly shows a closed circuit? (A) (B) (C) (D) Collect some iron nails. Put them in three test tubes. Pour some water in two test tubes. What inference can be drawn from the above experiment? (A) Air is a must for rusting (C) Both (A) and (B) Cork one of the test tubes tightly so that it is air tight. Leave all the 3 test tubes for some days. (B) Water is a must for rusting (D) Minerals present in air are a must for rusting. 13 th NSO Level I Class 7 4

5 7. In the given flow chart, Whole chalk Infant Ice (i) (ii) (iii) Broken chalk pieces Pick the incorrect match. Child Water Cold water (iv) Hot water (i) (ii) (iii) (iv) (v) (A) Chemical Physical Chemical Irreversible Reversible (B) Physical Physical Chemical Chemical Chemical (C) Irreversible Chemical Physical Reversible Chemical (D) Irreversible Chemical Chemical Irreversible Irreversible Paper (v) Burnt paper 8. This logo stands for. (A) Life Water (B) Water For Life (C) Water Equals Life (D) Water is Essential for Life 9. Observe the given figure carefully and select the correct option. (A) A white precipitate is obtained. (B) Effervescence is observed in test tube containing lime water. (C) The test tube containing lime water becomes hot. (D) Both (A) & (C). Lime water Sulphuric acid 30. Mike is having a hot bath. After some time he notices that the mirror in the bathroom becomes misty. This happens because of. (A) Evaporation (C) Precipitation (B) Condensation (D) All of the above 31. Study the two groups of objects carefully. The objects are grouped according to. (A) The type of materials they are made of (B) Their uses (C) Their ability to float or sink in water (D) Their mass 3. The given diagram, shows part of the water cycle. Water vapour What is process T called? (A) Melting (C) Evaporation (B) Condensation (D) Precipitation Oceans T Clouds 33. Study the flow chart carefully. Which of the following is correct? P Q (A) Reversible change Reversible change (B) Irreversible change Reversible change (C) Irreversible change Irreversible change (D) Reversible change Irreversible change P (i) Melting of ice (ii) Blowing of balloon Changes Q (i) Cutting of paper (ii) Flowering of bud 5 13 th NSO Level I Class 7

6 34. Harish wants to test the presence of starch in a leaf. Given below are the steps to conduct the experiment. Which of these steps is not necessary? (A) Boil the leaf first in water and then in alcohol. (B) Wash the bleached leaf. (C) Heat leaf on a flame. (D) Add a few drops of iodine solution to the bleached leaf. 35. The given figure shows the process of. Food (A) Absorption (C) Mastication (B) Assimilation (D) Peristalsis Oesophagus 36. The given figure demonstrates the necessity of carbon dioxide in photosynthesis. Which of the following will be observed after few hours of this experiment? (A) Leaf inside the conical flask will not turn blue black on starch test (B) Leaf outside the flask will turn blue black on starch test (C) Both (A) & (B) (D) None of the above Potassium hydroxide absorbs carbon dioxide 37. A Tibetan antelope yields a kind of wool which is considered to be the world's finest and warmest wool, with fibres one fifth the thickness of a human hair. This wool is also called the 'king of wools'. Which of the following correctly represents that wool along with its producer? (A) Shahtoosh Chiru (B) Mohair Angora (C) Vicuna Llama (D) Grease wool Chinkara 38. Which of the following does not have bones and moves with the help of contractions and expansions of the body? 39. Which of the following statements are correct? (i) All the changes in the weather are due to Moon. (ii) A human baby is born with about 06 bones. (iii) Tusks of the elephant are modified teeth. (iv) Typical desert climate is found in Rajasthan. (A) (i) & (ii) (B) (i) & (iii) (C) (iii) & (iv) (D) (ii) & (iv) 40. The climatic conditions in the rainforests are highly suitable for supporting an enormous number and a variety of animals. Since the numbers are large, there is intense competition for food and shelter. Many animals are adapted to live on the trees. Which of the following animals has developed sticky pads on its feet to help it climb trees on which it lives? (A) Blue eyed frog (B) Red eyed frog (C) Green eyed frog (D) Yellow eyed frog 41. Loamy soil is a mixture of clay, silt and sand. It is the best top soil for growing plants. Which of the following statements most accurately explains the property of loamy soil? (A) Holds the maximum amount of water that enters it (C) It contains very little amount of humus (B) Permits only a certain amount of water to enter it (D) Allows water to pass through it rapidly 13 th NSO Level I Class 7 6

7 DIRECTION : Refer the given figure and answer Q. nos. 4 & Which of the following processes is occuring at 5? (A) Condensation (B) Evaporation (C) Transpiration (D) Precipitation 43. Which of the following represents the process of evaporation in the given figure? (A) (B) 3 (C) 4 (D) The given table shows the various deficiency diseases caused due to the lack of vitamins and minerals. Which of the following correctly matches P, Q, R and S? P Q R S (A) Marasmus Kwashiorkar Iodine Iron (B) Osteomalacia Scurvy Iodine Iron (C) Scurvy Beri beri Calcium Iodine (D) Beri beri Scurvy Iodine Iron Vitamin/ Mineral Vitamin B 1 Vitamin C R S Deficiency disease/ disorder P Q Goitre Anaemia 45. Which of the following is the correct sequence of passage of oxygen in the respiratory system? (A) Nose Lungs Wind pipe Blood (C) Nose Blood Lungs Wind pipe 46. What is one thing common in the animals shown below? (A) They all live in water. (B) They all lack backbone. (C) They all have scales on their body. (D) They all lay eggs to reproduce. (B) Nose Blood Wind pipe Lungs (D) Nose Wind pipe Lungs Blood 47. In which of the following leaves will transpiration be least? 48. Seed dispersal is the scattering of seeds away from the parent plant. The structure of seeds usually helps them to move to a new location. Winged seeds such as those of (i) and (ii) are displaced by wind to far away places. Some seeds are dispersed when the fruits burst with sudden jerks. This happens in the case of (iii). Select the correct sequence of words from the following to fill up the blanks in the above paragraph. (i) (ii) (iii) (A) Maple Castor Balsam (B) Xanthium Maple Castor (C) Drumstick Maple Castor (D) Balsam Drumstick Castor 7 13 th NSO Level I Class 7

8 DIRECTION : Read the following paragraph carefully and answer Q. nos. 49 & 50. In terrestrial plants, roots normally play a very important role in the absorption of nutrients and water from the soil. However, in aquatic plants, roots are much reduced in size. Some of these plants have narrow and thin ribbon like leaves. These can bend in the flowing water. In some submerged plants, leaves are often highly divided. 49. Why do aquatic plants have a root system which is not very well developed? (A) So that they can be pulled out easily. (B) It helps them float. (C) Since they grow in water they don't need long roots to absorb water. (D) They do not need to absorb minerals. 50. Why are their leaves ribbon shaped or divided? (A) The water can easily pass through these leaves without damaging them. (B) They do not need to store water. (C) They keep the plant afloat. (D) They look pretty. SPACE FOR ROUGH WORK 13 th NSO Level I Class 7 8

9 ANSWER KEYS 1. (C). (A) 3. (C) 4. (B) 5. (B) 6. (A) 7. (D) 8. (D) 9. (C) 10. (A) 11. (C) 1. (D) 13. (B) 14. (A) 15. (D) 16. (D) 17. (D) 18. (A) 19. (D) 0. (D) 1. (C). (A) 3. (A) 4. (C) 5. (C) 6. (C) 7. (C) 8. (B) 9. (D) 30. (B) 31. (C) 3. (B) 33. (D) 34. (C) 35. (D) 36. (C) 37. (A) 38. (B) 39. (C) 40. (B) 41. (A) 4. (C) 43. (A) 44. (D) 45. (D) 46. (B) 47. (A) 48. (C) 49. (C) 50. (A)